package com.main.sales.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.main.sales.common.R;
import com.main.sales.pojo.User;
import com.main.sales.service.UserService;
import com.main.sales.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 发送手机短信验证码
     *
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsd(@RequestBody User user, HttpSession session) {
        //获取手机号
        String phone = user.getPhone();

        if (StringUtils.isNotEmpty(phone)) {
            //生成随机4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("cod：{}", code);
            //调用阿里云短信服务API完成发送短信
//            SMSUtils.sendMessage("sales", "SMS_248235246", phone, code);
            //生成验证码保存到Session中
//            session.setAttribute(phone, code);
            //将生成的验证码缓存到Redis中，并设置有效时间5分钟
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
            return R.success("手机验证码短信发送成功");
        }

        return R.success("短信发送失败");
    }

    /**
     * 登录验证
     *
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session) {
        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从session中获取保存的验证码
//        Object codeInSession = session.getAttribute(phone);
        //从Redis中，获取缓存验证码
        Object codeInSession  = redisTemplate.opsForValue().get(phone);

        //进行验证码比对（页面提交的和Session中保存的对比）
        if (code != null && code.equals(codeInSession)) {
            //当前是否为新用户，如果是自动完成注册
            LambdaQueryWrapper<User> lqw = new LambdaQueryWrapper<>();
            lqw.eq(User::getPhone, phone);
            User user = userService.getOne(lqw);
            //新用户
            if (user == null) {
                user = new User();
                user.setPhone(phone);
                user.setName("新用户" + code);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user", user.getId());
            //如果登录成功，清除缓存中的密码
            redisTemplate.delete(phone);
            return R.success(user);
        }
        return R.error("登录失败");
    }

}
